What Is Pink and Brown Noise and How Do They Affect Your Brain?

"The color of a noise is determined by its mix of frequencies. That steady hum of white noise is produced by equal distribution of energy across all audible frequencies. Pink noise boosts lower frequencies, and brown noise picks up the lowest frequencies, like the sound of thunder or a roaring waterfall. Beyond their potential to induce relaxation and sleep, certain colors have shown potential benefits within neurodivergent circles and helped with focus.

The Color of Sound

Brown noise triggers relaxation because of its similarities to the brain's resting state, Sarow says. The low frequencies of brown noise create a deeper sound that many people find soothing. Some small studies have shown that brown noise can help to improve memory in children with ADHD. Research has shown that brown noise can also soothe conditions like tinnitus, or ringing in the ears, in certain individuals.

The frequencies picked up in pink noise fall between white and brown noise and are also thought to aid in sleep. Some research has shown that listening to pink noise at bedtime induced more restful sleep.

How to Benefit

"Sound frequency has been an area which has shown a constant upwards and positive growth," Koparde says. "We have finally figured out how to calculate which frequencies an individual responds well to, and which frequencies repel it." While public playlists may not be personalized to the listener's needs, plenty do exist for those interested in reaping the benefits of pink and brown noise. Apps, videos, and recordings are easy to find on YouTube and music streaming apps. Kahn recommends trying any program or app both with and without headphones to determine what's most comfortable and effective."

Read the complete article at Very Well Mind!

Reflection:

Do you listen to 'noise tracks'?

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